129675390 has 48 divisors (see below), whose sum is σ = 337015728. Its totient is φ = 31918848.

The previous prime is 129675389. The next prime is 129675407. The reversal of 129675390 is 93576921.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7719 + ... + 17858.

It is an arithmetic number, because the mean of its divisors is an integer number (7021161).

Almost surely, 2^129675390 is an apocalyptic number.

129675390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

129675390 is an abundant number, since it is smaller than the sum of its proper divisors (207340338).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

129675390 is a wasteful number, since it uses less digits than its factorization.

129675390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25613 (or 25600 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 42.

The square root of 129675390 is about 11387.5102634421. The cubic root of 129675390 is about 506.1577073029.

The spelling of 129675390 in words is "one hundred twenty-nine million, six hundred seventy-five thousand, three hundred ninety".